Acromioclavicular Joint

Acromioclavicular Joint

The structure indicated is the acromioclavicular joint.

The shoulder joint complex consists of the three joints:

  1. Glenohumeral joint
  2. Acromioclavicular joint
  3. Sternoclavicular joint

The acromioclavicular joint is formed between the acromion of the scapula and the clavicle. It is a small synovial joint that is stabilised by the following ligaments:

  • Acromioclavicular ligament (consists of superior and inferior parts)
  • Coracoclavicular ligaments

The coracoclavicular ligaments consist of two parts:

  • Trapezoid ligament
  • Conoid ligament

Learn more about the shoulder joint in this anatomy tutorial.